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What is the Least Common Multiple of 71621 and 71626?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 71621 and 71626 is 5129925746.

LCM(71621,71626) = 5129925746

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Least Common Multiple of 71621 and 71626 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71621 and 71626, than apply into the LCM equation.

GCF(71621,71626) = 1
LCM(71621,71626) = ( 71621 × 71626) / 1
LCM(71621,71626) = 5129925746 / 1
LCM(71621,71626) = 5129925746

Least Common Multiple (LCM) of 71621 and 71626 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71621 and 71626. First we will calculate the prime factors of 71621 and 71626.

Prime Factorization of 71621

Prime factors of 71621 are 11, 17, 383. Prime factorization of 71621 in exponential form is:

71621 = 111 × 171 × 3831

Prime Factorization of 71626

Prime factors of 71626 are 2, 59, 607. Prime factorization of 71626 in exponential form is:

71626 = 21 × 591 × 6071

Now multiplying the highest exponent prime factors to calculate the LCM of 71621 and 71626.

LCM(71621,71626) = 111 × 171 × 3831 × 21 × 591 × 6071
LCM(71621,71626) = 5129925746